If PDF is electronic paper, then pdftk is an electronic staple-remover,
hole-punch, binder, secret-decoder-ring, and X-Ray-glasses.  Pdftk is a
simple tool for doing everyday things with PDF documents.  Use it to:

* Merge and/or split PDF Documents
* Rotate PDF Documents or Pages
* Decrypt/Encrypt PDF Documents
* Fill PDF Forms with X/FDF Data and/or Flatten Forms
* Apply a Background Watermark or a Foreground Stamp
* Report or update PDF Metrics such as Metadata and Bookmarks
* Attach Files to PDF Pages or the PDF Document
* Unpack PDF Attachments
* Uncompress and Re-Compress Page Streams
* Repair Corrupted PDF (Where Possible)
